WO2017138480A1 - Lentille de fresnel et procédé de fabrication d'une lentille de fresnel - Google Patents

Lentille de fresnel et procédé de fabrication d'une lentille de fresnel Download PDF

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Publication number
WO2017138480A1
WO2017138480A1 PCT/JP2017/004169 JP2017004169W WO2017138480A1 WO 2017138480 A1 WO2017138480 A1 WO 2017138480A1 JP 2017004169 W JP2017004169 W JP 2017004169W WO 2017138480 A1 WO2017138480 A1 WO 2017138480A1
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WO
WIPO (PCT)
Prior art keywords
lens
fresnel lens
fresnel
optical axis
mask
Prior art date
Application number
PCT/JP2017/004169
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English (en)
Japanese (ja)
Inventor
正太郎 只
学 石岡
俊宏 楠
Original Assignee
株式会社ソニー・インタラクティブエンタテインメント
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ソニー・インタラクティブエンタテインメント filed Critical 株式会社ソニー・インタラクティブエンタテインメント
Priority to US16/061,792 priority Critical patent/US10641931B2/en
Priority to EP17750203.6A priority patent/EP3418779B1/fr
Priority to JP2017566929A priority patent/JP6483290B2/ja
Publication of WO2017138480A1 publication Critical patent/WO2017138480A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/58—After-treatment
    • C23C14/5873—Removal of material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses

Definitions

  • the present invention relates to a Fresnel lens and a method for manufacturing the Fresnel lens.
  • Patent Documents 1 to 7 describe a technique for improving the image quality of an image viewed through a Fresnel lens by providing a light absorbing portion on the rise surface of the Fresnel lens.
  • Patent Document 8 discloses that the transmittance in the vicinity of the end in the width direction of the ring body is made smaller than the transmittance in the vicinity of the center in the width direction.
  • the top surface of the lens portion is curved. Further, when light passes through such a top portion, a flare that extends toward the center of the lens may occur in an image viewed through the Fresnel lens.
  • the present invention has been made in view of the above circumstances, and one of its purposes is a Fresnel lens and a Fresnel that can suppress flare extending toward the center of the lens, which is generated in an image viewed through the Fresnel lens.
  • the object is to provide a method of manufacturing a lens.
  • a Fresnel lens according to the present invention is a Fresnel lens in which a plurality of convex lens portions are continuously formed concentrically, and each lens portion includes a lens surface and a lens surface.
  • a non-lens surface is formed, the non-lens surface includes a rise surface and a connection surface, and the rise surface is a surface along an optical axis of the Fresnel lens, and the connection surface is a surface of the lens unit.
  • a light absorbing portion is provided at a position along the optical axis of the lens.
  • the light absorbing portion is formed on the coupling surface.
  • the connecting surface may be a flat surface perpendicular to the optical axis of the Fresnel lens.
  • the light absorbing portion is formed inside the lens portion.
  • the method for manufacturing a Fresnel lens according to the present invention includes a step of forming a main body portion in which a plurality of convex lens portions are continuously formed concentrically, and a step of covering the surface of the lens portion with a mask.
  • the mask and the top are polished to flatten the top having a curved shape.
  • Another method for producing a Fresnel lens according to the present invention is a method for producing a Fresnel lens in which a plurality of convex lens portions are continuously formed concentrically, and the light is concentrically formed on a transparent substrate. Including a step of disposing a material that absorbs the material, a step of covering the material with a transparent material, and a step of forming the transparent material into the lens portion, and in the forming step, the top portion of the lens portion is passed through. The transparent material is molded into the lens portion so that the material is disposed at a position along the optical axis of the Fresnel lens.
  • FIG. 2 is a sectional view of the Fresnel lens illustrated in FIG. 1 taken along the line II-II.
  • FIG. 3 is a partially enlarged cross-sectional view of the Fresnel lens illustrated in FIGS. 1 and 2.
  • It is process drawing which shows typically an example of the manufacturing method of the Fresnel lens which concerns on one Embodiment of this invention. It is process drawing which shows typically an example of the manufacturing method of the Fresnel lens which concerns on one Embodiment of this invention. It is process drawing which shows typically an example of the manufacturing method of the Fresnel lens which concerns on one Embodiment of this invention.
  • FIG. 1 is a plan view schematically showing an example of a Fresnel lens 1 according to an embodiment of the present invention.
  • FIG. 2 is a sectional view taken along line II-II of the Fresnel lens 1 illustrated in FIG.
  • FIG. 3 is a partially enlarged cross-sectional view of the Fresnel lens 1 illustrated in FIGS. 1 and 2.
  • the Fresnel lens 1 includes a main body portion 10 and a light absorbing portion 12.
  • the main body 10 is made of a transparent resin and includes, for example, acrylic, a cyclic olefin copolymer, a cycloolefin polymer, a precarbonate, and the like.
  • the main-body part 10 should just be transparent, for example, may be made of glass.
  • the main body portion 10 includes a base body 20 and a plurality of convex lens portions 22.
  • the plurality of convex lens portions 22 are formed concentrically (here, for example, concentrically) and continuously in the radial direction on the base body 20.
  • the cross section of the main-body part 10 is a sawtooth shape as a whole.
  • Each lens part 22 is formed with a lens surface 24 (effective surface) that functions as a convex lens in the Fresnel lens 1 and a non-lens surface 26 (ineffective surface) that does not function as a convex lens.
  • the lens surface 24 is a surface associated with a part of the surface of the convex lens corresponding to the Fresnel lens 1.
  • the non-lens surface 26 is a surface that is not associated with a part of the surface of the convex lens corresponding to the Fresnel lens 1.
  • the non-lens surface 26 includes a rise surface 26a that is a surface rising along the optical axis of the Fresnel lens 1, and a connection surface 26b that connects the lens surface 24 and the rise surface 26a.
  • the connecting surface 26 b according to the present embodiment is a flat surface that is formed on the top portion 22 a of the lens portion 22 and is perpendicular to the optical axis of the Fresnel lens 1.
  • the light absorption part 12 is formed on the connection surface 26b.
  • the light absorption unit 12 includes a material that absorbs light, such as a paint such as carbon black, and a minute carbon nanotube.
  • the light absorbing portion 12 may be, for example, a metal as long as it is a member that does not transmit or reflect light.
  • the light absorbing portion 12 is provided at a position along the optical axis of the Fresnel lens 1 that passes through the coupling surface 26 b. For this reason, the light traveling toward the top portion 22a along the optical axis of the Fresnel lens 1 is absorbed by the light absorbing portion 12 and blocked. Therefore, according to the Fresnel lens 1 according to the present embodiment, flare extending toward the center of the lens in an image viewed through the Fresnel lens 1 that is generated when light passes through the top portion 22a can be suppressed.
  • the Fresnel lens 1 when the Fresnel lens 1 is molded by injection molding or the like, the top 22a is rounded due to insufficient filling of the material in the molded product, and so-called apex occurs. According to the Fresnel lens 1 according to the present embodiment, flare that is generated by such curvature of the top portion 22a and that extends toward the center of the lens in an image viewed through the Fresnel lens 1 can be suppressed.
  • a main body 10 including a base body 20 and a lens portion 22 is formed by concentrically forming a plurality of convex lens portions 22 as shown in FIG. 4A by injection molding or press molding. It is formed. Note that the apex portion 22a of the lens portion 22 shown in FIG. 4A has a curved shape with a convex top.
  • the molding method of the main body 10 is not particularly limited.
  • the surface of the lens portion 22 is covered with a mask 30 such as a resin as shown in FIG. 4B.
  • the top portion 22a is exposed from the mask 30 as shown in FIG. 4C.
  • the top portion 22a may be exposed from the mask 30 by cutting the mask 30 and the top portion 22a.
  • the top portion 22a having a convex curved shape on the top is flattened.
  • the light absorbing portion 12 is formed on the mask 30 and the exposed top portion 22a.
  • a black paint such as carbon black is applied.
  • the Fresnel lens 1 shown in FIG. 3 will be manufactured by removing the mask 30, leaving the light absorption part 12 formed on the top part 22a.
  • a resin having a property of self-peeling when heat is applied may be used as the mask 30.
  • the mask 30 on which the light absorbing portion 12 is formed is removed (peeled) from the main body portion 10 by applying heat.
  • a resin having such a characteristic that it can be chemically dissolved in a solvent may be used as the mask 30.
  • the mask 30 on which the light absorbing portion 12 is formed is removed (peeled) from the main body portion 10 by immersing the one shown in FIG. 4D in the solvent.
  • a resin that can be peeled off by a tape may be used as the mask 30.
  • the mask 30 on which the light absorbing portion 12 is formed is removed (peeled) from the main body portion 10 by applying a tape from the upper surface and removing the tape.
  • a fine pattern such as a moth-eye structure may be formed on the exposed top portion 22a by an etching process or the like.
  • a fine uneven surface may be formed on the exposed top portion 22a by performing cutting, forming, sanding, sandblasting, or the like.
  • the anchor effect reduces the possibility that the light absorbing portion 12 formed on the top portion 22a is peeled off together with the mask 30 when the mask 30 is removed.
  • the amount of light reflected by the connecting surface 26b can be suppressed.
  • FIG. 5 is an explanatory view schematically showing an example of a usage mode of the Fresnel lens 1 according to the present embodiment.
  • the Fresnel lens 1 according to the present embodiment is formed with a light absorbing portion 12 concentrically (here, for example, concentrically).
  • the Fresnel lens 1 according to the present embodiment is used for enlarging an image displayed on the display unit 40 in a head mounted display (HMD).
  • HMD head mounted display
  • the distance between the user's viewpoint 42 and the Fresnel lens 1 is shorter than the distance between the Fresnel lens 1 and the display unit 40. Therefore, even if the user visually recognizes an image displayed on the display unit 40 via the Fresnel lens 1 according to this embodiment, the presence of the light absorbing unit 12 is not concerned.
  • FIG. 6 is a partially enlarged sectional view showing an example of the Fresnel lens 101 according to another embodiment of the present invention.
  • a Fresnel lens 101 shown in FIG. 6 includes a main body 110 and a light absorbing portion 112.
  • the main body 110 according to the present embodiment includes a base 120 that is a transparent flat plate and a plurality of convex lens portions 122.
  • the main body 110 is made of a transparent resin, like the main body 10 shown in FIG.
  • a plurality of convex lens portions 122 are continuously formed concentrically (here, for example, concentrically) in the main body 110, and the cross section of the main body 110 has a sawtooth shape as a whole.
  • each lens portion 122 a lens surface 124 similar to the lens surface 24 shown in FIG. 3 and a non-lens surface 126 similar to the non-lens surface 26 shown in FIG. 3 are formed.
  • the non-lens surface 126 includes a rise surface 126a that is a surface along the optical axis of the Fresnel lens 101, and a connection surface 126b that connects the lens surface 124 and the rise surface 126a.
  • the connection surface 126b according to the present embodiment is formed on the top portion 122a of the lens portion 122, and has a curved shape with a convex top.
  • the light absorption part 112 is provided in the position along the optical axis of the Fresnel lens 101 which passes along the connection surface 126b. Further, as shown in FIG. 6, the light absorbing portion 112 according to the present embodiment is concentrically cylindrical (here, for example, concentrically cylindrical) inside the lens portion 122, which is near the inside in the radial direction of the rise surface 126 a. Has been placed.
  • the light absorption unit 112 includes a material that absorbs light, and is, for example, a carbon nanotube, a carbon particle, or the like. Moreover, the light absorption part 112 may be comprised including the material which absorbs visible light and permeate
  • a light absorbing portion 112 is provided at a position along the optical axis of the Fresnel lens 101 that passes through the coupling surface 126b. For this reason, the light traveling toward the top portion 122a along the optical axis of the Fresnel lens 101 is absorbed by the light absorbing portion 112 and blocked. Therefore, according to the Fresnel lens 101 according to the present embodiment, flare extending toward the center of the lens in an image viewed through the Fresnel lens 101, which is generated when light passes through the top portion 122a, can be suppressed.
  • an antireflection film 150 that suppresses reflection of light incident on the lens unit 122 from the outside is formed on the surface of the lens unit 122 on the lens surface 124 and non-lens surface 126 side. Yes.
  • the base 120, the lens unit 122, and the light absorption unit 112 have the same refractive index. In this way, reflection of light incident on the light absorbing portion 112 is suppressed.
  • a light absorbing portion 112 that is a material that absorbs light is disposed concentrically (here, for example, concentrically) on a transparent substrate 120 by a nanoimprint technique or the like.
  • the width of the light absorbing portion 112 is, for example, 20 ⁇ m
  • the height of the light absorbing portion 112 is, for example, 250 ⁇ m.
  • the light absorbing portion 112 is covered with a transparent material 152 made of a transparent resin.
  • the mold here, for example, the mold 1504.
  • the metal mold 154 is arranged such that a portion (for example, the recess 156) is formed at the position along the optical axis of the Fresnel lens 101 (for example, above the optical axis of the Fresnel lens 101).
  • the mold is positioned.
  • the mold (here, for example, the mold 154) is moved downward to press the transparent material 152, so that the transparent material 152 becomes the lens portion 122 as shown in FIG. 7C.
  • the transparent material 152 is molded into the lens portion 122 so that the light absorbing portion 112 is disposed at a position along the optical axis of the Fresnel lens 1 that passes through the top portion 122a of the lens portion 122.
  • an antireflection film 150 that suppresses reflection of light incident on the lens unit 122 from the outside is applied to the lens surface 124 and the non-lens surface 126 side of the lens unit 122, and the Fresnel lens 101 shown in FIG. Will be manufactured.
  • a light absorbing portion 312 that is a light shielding pattern is printed at a position on the base 320 along the optical axis of the Fresnel lens 301 that passes through the coupling surface 326 b. You may do it.
  • a light absorbing portion 412 may be arranged like a Fresnel lens 401 illustrated in FIG.
  • the light absorption unit 412 passes through the connection surface 426b of the lens unit 422 and passes along the optical axis of the Fresnel lens 401 from the position along the optical axis of the Fresnel lens 401, and passes along the optical axis of the Fresnel lens 401. It is arranged continuously. In this way, for example, the light reflected by the rise surface 426 a is absorbed by the light absorbing portion 412.
  • the cross section of the light absorbing portion 512 may be T-shaped.
  • the light absorbing portion 612 may have an L-shaped cross section. Both the light absorption unit 512 shown in FIG. 11 and the light absorption unit 612 shown in FIG. 12 pass from the position along the optical axis of the Fresnel lens to the position along the optical axis of the Fresnel lens passing through the lens surface of the adjacent lens unit. It is arranged continuously.
  • a Fresnel lens including a plurality of different ones of the light absorption unit 12, the light absorption unit 112, the light absorption unit 212, the light absorption unit 312, the light absorption unit 412, the light absorption unit 512, and the light absorption unit 612 is configured. May be.
  • Fresnel lens according to the present embodiment does not need to be circular as described above, and may be, for example, a square.

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention concerne: une lentille de Fresnel capable d'inhiber la génération d'une lumière parasite qui s'étend vers le centre de la lentille dans une image vue à travers des lentilles de Fresnel; et un procédé de fabrication pour la lentille de Fresnel. Dans la présente invention, une surface (24) de lentille et une surface (26) hors lentille sont formées dans chacune des parties (22) de lentille. La surface (26) hors lentille comprend une surface (26a) d'élévation et une surface (26b) de raccordement. La surface (26a) d'élévation s'étend suivant l'axe optique d'une lentille (1) de Fresnel. La surface (26b) de raccordement est formée sur un sommet (22a) de chacune des parties (22) de lentille, relie la surface (24) de lentille de la partie (22) de lentille à la surface (26a) d'élévation de la partie (22) de lentille, et présente une largeur s'étendant dans la direction radiale de la lentille (1) de Fresnel. Une partie (12) d'absorption de lumière est placée dans une position, le long de l'axe optique de la lentille (1) de Fresnel, dépassant la surface (26b) de raccordement.
PCT/JP2017/004169 2016-02-09 2017-02-06 Lentille de fresnel et procédé de fabrication d'une lentille de fresnel WO2017138480A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/061,792 US10641931B2 (en) 2016-02-09 2017-02-06 Fresnel lens and manufacturing method for Fresnel lens
EP17750203.6A EP3418779B1 (fr) 2016-02-09 2017-02-06 Lentille de fresnel et procédé de fabrication d'une lentille de fresnel
JP2017566929A JP6483290B2 (ja) 2016-02-09 2017-02-06 フレネルレンズ及びフレネルレンズの製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016023151 2016-02-09
JP2016-023151 2016-02-09

Publications (1)

Publication Number Publication Date
WO2017138480A1 true WO2017138480A1 (fr) 2017-08-17

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PCT/JP2017/004169 WO2017138480A1 (fr) 2016-02-09 2017-02-06 Lentille de fresnel et procédé de fabrication d'une lentille de fresnel

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US (1) US10641931B2 (fr)
EP (1) EP3418779B1 (fr)
JP (1) JP6483290B2 (fr)
WO (1) WO2017138480A1 (fr)

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JP2019053296A (ja) * 2017-09-15 2019-04-04 中強光電股▲ふん▼有限公司 接眼表示装置
WO2020045518A1 (fr) 2018-08-28 2020-03-05 株式会社ソニー・インタラクティブエンタテインメント Système de lentilles et dispositif d'observation d'images

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TWI768279B (zh) * 2020-01-10 2022-06-21 宏星技術股份有限公司 頭戴式顯示器
WO2022141134A1 (fr) * 2020-12-30 2022-07-07 深圳纳德光学有限公司 Système oculaire optique et dispositif d'affichage monté sur la tête
CN114859450B (zh) * 2022-05-23 2024-05-24 京东方科技集团股份有限公司 菲涅尔透镜组及虚拟现实装置

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225536B1 (fr) * 1970-10-05 1977-07-08
JPH06250003A (ja) 1993-03-01 1994-09-09 Fujitsu Ltd フレネルレンズの製造方法
JPH07306307A (ja) 1994-05-13 1995-11-21 Fujitsu Ltd フレネルレンズの製造方法
JPH08136707A (ja) 1994-09-13 1996-05-31 Sharp Corp フレネルレンズの作製方法およびそれを用いた投影画像表示装置
JP2002182012A (ja) 2000-12-13 2002-06-26 Hitachi Ltd フレネルレンズ及びその製造方法
JP2002277614A (ja) 2000-09-18 2002-09-25 Kuraray Co Ltd フレネルレンズシートの製造方法およびフレネルレンズシートの成形型の製造方法
JP3331079B2 (ja) * 1995-01-09 2002-10-07 大日本印刷株式会社 プロジェクションスクリーン
WO2004066025A1 (fr) * 2003-01-22 2004-08-05 Dai Nippon Printing Co., Ltd. Feuille a lentilles de fresnel et ecran de retroprojection muni de cette feuille
JP2006039146A (ja) 2004-07-26 2006-02-09 Dainippon Printing Co Ltd フレネルレンズの製造方法及びフレネルレンズ
WO2011086654A1 (fr) 2010-01-13 2011-07-21 パナソニック株式会社 Lentille à réseau de diffraction, son procédé de fabrication et dispositif d'imagerie l'utilisant
JP2012226047A (ja) * 2011-04-18 2012-11-15 Dainippon Printing Co Ltd 反射スクリーン及び反射スクリーンの製造方法
JP2015059959A (ja) 2013-09-17 2015-03-30 株式会社東芝 遮光膜の形成方法、遮光膜の形成装置、およびフレネルレンズの製造装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3485397B2 (ja) * 1995-10-02 2004-01-13 富士通株式会社 表示装置
EP1324113B1 (fr) 2000-09-29 2014-06-04 Mitsubishi Denki Kabushiki Kaisha Lentille de fresnel, ecran, dispositif d'affichage d'image, procede de fabrication de moules pour lentilles et procede de fabrication de lentilles
WO2002029451A1 (fr) 2000-09-29 2002-04-11 Mitsubishi Denki Kabushiki Kaisha Lentille de fresnel. ecran, dispositif d'affichage d'images, procede de fabrication d'un moule de lentille, et procede de fabrication d'une lentille
JP4196558B2 (ja) 2001-12-05 2008-12-17 コニカミノルタホールディングス株式会社 電子ビーム描画方法、基材の製造方法、及び電子ビーム描画装置
JP2004151205A (ja) 2002-10-29 2004-05-27 Mitsubishi Electric Corp フレネルレンズおよびその製造方法
JP4149978B2 (ja) * 2004-09-16 2008-09-17 株式会社東芝 フレネルレンズおよび照明装置
JP2008064911A (ja) 2006-09-06 2008-03-21 Kuraray Co Ltd 投写型表示装置及びプリズムミラー
JP5790168B2 (ja) 2011-06-03 2015-10-07 大日本印刷株式会社 反射型スクリーン、及び反射型投射システム
US9335447B2 (en) * 2013-11-21 2016-05-10 Stryker Corporation Fresnel lens with light-scattering preventive feature

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225536B1 (fr) * 1970-10-05 1977-07-08
JPH06250003A (ja) 1993-03-01 1994-09-09 Fujitsu Ltd フレネルレンズの製造方法
JPH07306307A (ja) 1994-05-13 1995-11-21 Fujitsu Ltd フレネルレンズの製造方法
JPH08136707A (ja) 1994-09-13 1996-05-31 Sharp Corp フレネルレンズの作製方法およびそれを用いた投影画像表示装置
JP3331079B2 (ja) * 1995-01-09 2002-10-07 大日本印刷株式会社 プロジェクションスクリーン
JP2002277614A (ja) 2000-09-18 2002-09-25 Kuraray Co Ltd フレネルレンズシートの製造方法およびフレネルレンズシートの成形型の製造方法
JP2002182012A (ja) 2000-12-13 2002-06-26 Hitachi Ltd フレネルレンズ及びその製造方法
WO2004066025A1 (fr) * 2003-01-22 2004-08-05 Dai Nippon Printing Co., Ltd. Feuille a lentilles de fresnel et ecran de retroprojection muni de cette feuille
JP2006039146A (ja) 2004-07-26 2006-02-09 Dainippon Printing Co Ltd フレネルレンズの製造方法及びフレネルレンズ
WO2011086654A1 (fr) 2010-01-13 2011-07-21 パナソニック株式会社 Lentille à réseau de diffraction, son procédé de fabrication et dispositif d'imagerie l'utilisant
JP2012226047A (ja) * 2011-04-18 2012-11-15 Dainippon Printing Co Ltd 反射スクリーン及び反射スクリーンの製造方法
JP2015059959A (ja) 2013-09-17 2015-03-30 株式会社東芝 遮光膜の形成方法、遮光膜の形成装置、およびフレネルレンズの製造装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019053296A (ja) * 2017-09-15 2019-04-04 中強光電股▲ふん▼有限公司 接眼表示装置
WO2020045518A1 (fr) 2018-08-28 2020-03-05 株式会社ソニー・インタラクティブエンタテインメント Système de lentilles et dispositif d'observation d'images
US11874448B2 (en) 2018-08-28 2024-01-16 Sony Interactive Entertainment Inc. Lens system and image observation apparatus

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US10641931B2 (en) 2020-05-05
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JPWO2017138480A1 (ja) 2018-06-21
JP6483290B2 (ja) 2019-03-13
EP3418779B1 (fr) 2020-09-30

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